tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.

2008-05-08  Richard Guenther  <rguenther@suse.de>

	* tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
	* tree-data-ref.h (struct dr_alias): Remove subvars field.
	(DR_SUBVARS): Remove.
	* tree-dfa.c (dump_subvars_for): Remove.
	(debug_subvars_for): Likewise.
	(dump_variable): Do not dump subvars.
	(remove_referenced_var): Do not remove subvars.
	* tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
	(lookup_subvars_for_var): Remove.
	(get_subvars_for_var): Likewise.
	(get_subvars_at): Likewise.
	(get_first_overlapping_subvar): Likewise.
	(overlap_subvar): Likewise.
	* tree-flow.h (subvar_t): Remove.
	(struct var_ann_d): Remove subvars field.
	* tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
	argument.  Remove special handling of SFTs.
	(compute_tag_properties): Likewise.
	(set_initial_properties): Likewise.
	(compute_call_clobbered): Likewise.
	(count_mem_refs): Likewise.
	(compute_memory_partitions): Likewise.
	(compute_flow_insensitive_aliasing): Likewise.
	(setup_pointers_and_addressables): Likewise.
	(new_type_alias): Likewise.
	(struct used_part): Remove.
	(used_portions): Likewise.
	(struct used_part_map): Likewise.
	(used_part_map_eq): Likewise.
	(used_part_map_hash): Likewise.
	(free_used_part_map): Likewise.
	(up_lookup): Likewise.
	(up_insert): Likewise.
	(get_or_create_used_part_for): Likewise.
	(create_sft): Likewise.
	(create_overlap_variables_for): Likewise.
	(find_used_portions): Likewise.
	(create_structure_vars): Likewise.
	* tree.def (STRUCT_FIELD_TAG): Remove.
	* tree.h (MTAG_P): Adjust.
	(struct tree_memory_tag): Remove base_for_components and
	unpartitionable flags.
	(struct tree_struct_field_tag): Remove.
	(SFT_PARENT_VAR): Likewise.
	(SFT_OFFSET): Likewise.
	(SFT_SIZE): Likewise.
	(SFT_NONADDRESSABLE_P): Likewise.
	(SFT_ALIAS_SET): Likewise.
	(SFT_UNPARTITIONABLE_P): Likewise.
	(SFT_BASE_FOR_COMPONENTS_P): Likewise.
	(union tree_node): Remove sft field.
	* alias.c (get_alias_set): Remove special handling of SFTs.
	* print-tree.c (print_node): Remove handling of SFTs.
	* tree-dump.c (dequeue_and_dump): Likewise.
	* tree-into-ssa.c (mark_sym_for_renaming): Likewise.
	* tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
	* tree-predcom.c (set_alias_info): Do not set subvars.
	* tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
	* tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
	* tree-ssa-operands.c (access_can_touch_variable): Likewise.
	(add_vars_for_offset): Remove.
	(add_virtual_operand): Remove special handling of SFTs.
	(add_call_clobber_ops): Likewise.
	(add_call_read_ops): Likewise.
	(get_asm_expr_operands): Likewise.
	(get_modify_stmt_operands): Likewise.
	(get_expr_operands): Likewise.
	(add_to_addressable_set): Likewise.
	* tree-ssa.c (verify_ssa_name): Do not handle SFTs.
	* tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
	* tree-vect-transform.c (vect_create_data_ref_ptr): Do not
	set subvars.
	* tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
	(tree_code_size): Remove STRUCT_FIELD_TAG handling.
	(tree_node_structure): Likewise.
	* tree-ssa-structalias.c (set_uids_in_ptset): Remove special
	handling of SFTs.
	(find_what_p_points_to): Likewise.

From-SVN: r135077

1 files changed, 0 insertions, 13 deletions

diff --git a/gcc/tree-flow.h b/gcc/tree-flow.h
index 0b803cb..fa1522b 100644
--- a/gcc/tree-flow.h
+++ b/gcc/tree-flow.h
@@ -327,8 +327,6 @@ enum noalias_state {
 };
 
 
-typedef VEC(tree,gc) *subvar_t;
-
 struct var_ann_d GTY(())
 {
   struct tree_ann_common_d common;
@@ -395,10 +393,6 @@ struct var_ann_d GTY(())
   /* During into-ssa and the dominator optimizer, this field holds the
      current version of this variable (an SSA_NAME).  */
   tree current_def;
-
-  /* If this variable is a structure, this fields holds an array
-     of symbols representing each of the fields of the structure.  */
-  VEC(tree,gc) *subvars;
 };
 
 /* Container for variable annotation used by hashtable for annotations for
@@ -814,8 +808,6 @@ extern void debug_referenced_vars (void);
 extern void dump_referenced_vars (FILE *);
 extern void dump_variable (FILE *, tree);
 extern void debug_variable (tree);
-extern void dump_subvars_for (FILE *, tree);
-extern void debug_subvars_for (tree);
 extern tree get_virtual_var (tree);
 extern void add_referenced_var (tree);
 extern void remove_referenced_var (tree);
@@ -858,16 +850,11 @@ extern struct ptr_info_def *get_ptr_info (tree);
 extern void new_type_alias (tree, tree, tree);
 extern void count_uses_and_derefs (tree, tree, unsigned *, unsigned *,
 				   unsigned *);
-static inline subvar_t get_subvars_for_var (tree);
-static inline tree get_subvar_at (tree, unsigned HOST_WIDE_INT);
 static inline bool ref_contains_array_ref (const_tree);
 static inline bool array_ref_contains_indirect_ref (const_tree);
 extern tree get_ref_base_and_extent (tree, HOST_WIDE_INT *,
 				     HOST_WIDE_INT *, HOST_WIDE_INT *);
 static inline bool var_can_have_subvars (const_tree);
-static inline bool overlap_subvar (unsigned HOST_WIDE_INT,
-				   unsigned HOST_WIDE_INT,
-				   const_tree, bool *);
 extern tree create_tag_raw (enum tree_code, tree, const char *);
 extern void delete_mem_ref_stats (struct function *);
 extern void dump_mem_ref_stats (FILE *);